下面是公司2014-2018年前五大股东性质和持股比例数据中的一部分
我想要按照年度计算股权混合度
其中Type为股东性质(国有股东、其他股东、外资股东),Ratio为相应的持股比例
我的目的是生成一个变量OMD=前五大股东中国有股东比例/前五大股东中其他股东比例
stata小白在线求助TAT 麻烦大神帮下忙~
- * Example generated by -dataex-. To install: ssc install dataex
- clear
- input str7 Code str10 Year byte(Rank TypeCd) str12 Type str6 Ratio
- "C000002" "2014-12-31" 1 90 "其他股东" "14.91%"
- "C000002" "2014-12-31" 2 90 "其他股东" "11.91%"
- "C000002" "2014-12-31" 3 90 "其他股东" "3.30%"
- "C000002" "2014-12-31" 4 90 "其他股东" "2.13%"
- "C000002" "2014-12-31" 5 90 "其他股东" "1.32%"
- "C000002" "2015-12-31" 1 10 "国有股东" "15.23%"
- "C000002" "2015-12-31" 2 20 "外资股东" "11.90%"
- "C000002" "2015-12-31" 3 90 "其他股东" "8.38%"
- "C000002" "2015-12-31" 4 90 "其他股东" "4.14%"
- "C000002" "2015-12-31" 5 90 "其他股东" "3.16%"
- "C000002" "2016-12-31" 1 10 "国有股东" "15.24%"
- "C000002" "2016-12-31" 2 20 "外资股东" "11.91%"
- "C000002" "2016-12-31" 3 90 "其他股东" "8.39%"
- "C000002" "2016-12-31" 4 90 "其他股东" "4.77%"
- "C000002" "2016-12-31" 5 90 "其他股东" "4.14%"
- "C000002" "2017-12-31" 1 10 "国有股东" "29.38%"
- "C000002" "2017-12-31" 2 20 "外资股东" "11.91%"
- "C000002" "2017-12-31" 3 90 "其他股东" "8.39%"
- "C000002" "2017-12-31" 4 90 "其他股东" "4.14%"
- "C000002" "2017-12-31" 5 90 "其他股东" "3.17%"
- "C000002" "2018-12-31" 1 10 "国有股东" "29.38%"
- "C000002" "2018-12-31" 2 20 "外资股东" "11.91%"
- "C000002" "2018-12-31" 3 90 "其他股东" "8.39%"
- "C000002" "2018-12-31" 4 90 "其他股东" "6.34%"
- "C000002" "2018-12-31" 5 90 "其他股东" "4.14%"
- "C000006" "2014-12-31" 1 10 "国有股东" "21.93%"
- "C000006" "2014-12-31" 2 10 "国有股东" "12.07%"
- "C000006" "2014-12-31" 3 90 "其他股东" "4.66%"
- "C000006" "2014-12-31" 4 90 "其他股东" "0.74%"
- "C000006" "2014-12-31" 5 90 "其他股东" "0.51%"
- "C000006" "2015-12-31" 1 10 "国有股东" "21.93%"
- "C000006" "2015-12-31" 2 10 "国有股东" "12.07%"
- "C000006" "2015-12-31" 3 10 "国有股东" "3.51%"
- "C000006" "2015-12-31" 4 90 "其他股东" "1.08%"
- "C000006" "2015-12-31" 5 90 "其他股东" "0.68%"
- "C000006" "2016-12-31" 1 10 "国有股东" "21.93%"
- "C000006" "2016-12-31" 2 10 "国有股东" "12.07%"
- "C000006" "2016-12-31" 3 10 "国有股东" "3.51%"
- "C000006" "2016-12-31" 4 90 "其他股东" "1.08%"
- "C000006" "2016-12-31" 5 90 "其他股东" "0.53%"
- "C000006" "2017-12-31" 1 10 "国有股东" "21.93%"
- "C000006" "2017-12-31" 2 10 "国有股东" "12.07%"
- "C000006" "2017-12-31" 3 10 "国有股东" "3.51%"
- "C000006" "2017-12-31" 4 90 "其他股东" "1.08%"
- "C000006" "2017-12-31" 5 90 "其他股东" "0.53%"
- "C000006" "2018-12-31" 1 10 "国有股东" "21.93%"
- "C000006" "2018-12-31" 2 10 "国有股东" "13.99%"
- "C000006" "2018-12-31" 3 10 "国有股东" "3.51%"
- "C000006" "2018-12-31" 4 10 "国有股东" "1.08%"
- "C000006" "2018-12-31" 5 90 "其他股东" "0.76%"
- end


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